Patents by Inventor Lai Hock Tay

Lai Hock Tay has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Watermarked digital images
    Patent number: 6633653
    Abstract: A tamper detection method for digital images includes: providing a digitally watermarked image; digitally processing at least some watermarked parts of the image to obtain confidence values; and using the confidence values to provide an indication as to the likelihood that the image has been tampered with.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: October 14, 2003
    Assignee: Motorola, Inc.
    Inventors: Paola Marcella Hobson, Lai Hock Tay